Option B (electron) is negatively charged
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Answer: 0.2N
Explanation:
mass of wagon = 100 grams
Convert mass in grams to kilograms
If 1000 grams = 1kg
100 grams = (100/1000) = 0.1kg
Acceleration of wagon = 2m/s/s
Force on the wagon = ?
Recall that Force is the product of mass of an object by the acceleration by which it moves.
i.e Force = mass x acceleration
Force = 0.1kg x 2m/s/s
Force = 0.2N
Thus, the force on the wagon is 0.2Newton
Answer:
A gamma ray, light from a lamp, and a microwave are examples of electromagnetic radiation.
Explanation:
Gamma radiation, visible light (light from a lamp), and microwaves are all apart of the electromagnetic spectrum.
Electromagnetic waves do not require material medium for propagation. Radiowaves have the longest wavelength but the least frequency.
Gamma ray has the shortest wavelength but the highest frequency.
The gamma rays and x-rays due to their high frequency, they can disturb the medium they pass through. They have high energy that can cause damage to the matter the come across.